{"action":"Upgrade xen to 4.16.1-r2 or later.","affected":[{"fixed":"4.16.1-r2","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.16","exploited":false,"fixed_versions":["4.16.1-r2"],"id":"tcs_01M5NDRCEF7DQHSGD2S483GQ2R","modified_at":"2026-10-15T07:17:54.158079596Z","published_at":"2022-06-15T21:15:09.100Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2022-21166","https://security.alpinelinux.org/vuln/CVE-2022-21166"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2022-21166#Alpine:v3.16/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2022-21166"}],"summary":"Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access."}